GolmudRing-eye hook
Category:
Product Description
Product Introduction
| Product Model | 1T-30T |
| Product Material | 20 Low-Carbon Alloy Steel |
| Product Manufacturing Process | Quenching and Forging |
The lifting hook is the core load-bearing component of lifting equipment (such as cranes, overhead traveling cranes, winches, pulleys, and more), directly used to connect heavy objects. It is widely applied across all sectors involving lifting operations, including mechanical manufacturing, construction, port logistics, mining, ship transportation, and other industries. Although its structure appears simple, it has been meticulously designed and primarily consists of the hook body, neck section, attachment hole (or shackle ring), and safety latch (or anti-disengagement device). The hook body features an arc-shaped design that precisely matches the lifting points or slings of the object being lifted. The neck section serves as a critical stress-bearing area, requiring sufficient strength to ensure safe operation. The attachment hole facilitates connection with components such as the drum of lifting equipment or pulley systems. Meanwhile, the safety latch plays a vital role in preventing accidental slippage of the sling or load during lifting operations, providing essential protection against potential hazards.
The core requirement for lifting hooks is high safety. Therefore, the hook body is typically made from alloy structural steel (such as 20MnSi or 35CrMo) through forging and heat treatment processes (quenching + tempering). This ensures excellent tensile strength, impact toughness, and wear resistance, enabling the hook to withstand dynamic and impact loads without fracturing during lifting operations. Additionally, the hook surface undergoes non-destructive testing to guarantee the absence of cracks, inclusions, or other defects, thereby eliminating potential safety hazards at their source. Furthermore, the design of the safety latch is critical. The hook's safety latch is crafted from an elastic material that automatically resets and fits snugly against the hook opening, effectively preventing sling detachment even under conditions of swaying or tilting. Some large-sized hooks are also equipped with load limiters that continuously monitor the weight being lifted, issuing alerts when the load approaches or exceeds the rated capacity, thus avoiding overloading operations. Finally, the hook's rated lifting capacity must be clearly marked for easy identification by operators, ensuring compliance during use.
